Perhaps you should try some spelling variations:
te sach » toc sach
danh di » danh du, xanh di, danh dien
va danh » va dinh, va dan, va hanh
ve chat » va chat, van chat
sach ky » sac ky, sach y, sach ty
ve cham » va cham, vu cham, ve chim
tay hoi » tay ho, tao hoi, tay thai
may hoi » may thoi, mai hoi, may hmi
ky mang » ky nang, ke mang, ky dang
cua tre » cua te, cuu tre, cua triet
di cua » dai cua, doi cua, de cua

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky mang ((may hoi) or (tay hoi)). hieu ((ve cham) OR (ve chat)) duc va danh di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky mang ((may hoi) OR (tay hoi)). hieu ((ve cham) OR (ve chat)) duc va danh di cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky mang ((may hoi) or (tay hoi)). hieu ((ve cham) OR (ve chat)) duc va danh di cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ky mang ((may hoi) or (tay hoi)). hieu ((ve cham) OR (ve chat)) duc va danh di cua tre*.